In order to prevent the spoilage of potato chips, they are packed in plastic bags in an atmosphere of :
(a) Cl2 (b) H2 (c) N2 (d) O2
Answer : (c) N2
Explanation : It is a way of preventing rancidity (The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called rancidity).